Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Adolf KsiazkiewiczfiledCriticalAdolf Ksiazkiewicz
Priority to PL29928893ApriorityCriticalpatent/PL171283B1/en
Publication of PL299288A1publicationCriticalpatent/PL299288A1/en
Publication of PL171283B1publicationCriticalpatent/PL171283B1/en